The Serta Sheer Slumber 8" Medium Firm Gel Memory Foam Mattress-In-A-box delivers quality, convenient comfort to your front door in our smallest carton ever. We?ve combined cooling Serta Gel Memory Foam with our durable Serta Foam Core for a cool, supportive mattress that keeps you in dream-land all night long.  And the best part this mattress isn't just for grown-ups. Tested for kids and guestrooms, Sheer Slumber is bound to land in any room you need. With easy set up, CertiPUR-US certified foams, and a 10-year limited warranty, you and your whole family can sleep soundly knowing that this mattress has got your back.

• 2" of our gel memory foam contours to your body for cradling comfort and allows airflow to help keep you cool and restful all night long
• A thick layer of our Serta Foam Support Core (no coils) provides a medium firm feel and durable support for any sleep position
• Consistent edge to edge support is provided by our Foam Support Core
• We've used new compression technology to package your mattress in our smallest carton yet
• Easy set up- just unpack, unroll, and unwind!
• 10 year limited warranty, so you can stay worry free!
• We only use foam that is Certi-PUR certified
• Proudly 100% USA assembled
• Compatible with most frames, platforms and adjustable bases
• Ultra Compact Box makes transporting easy